Subtract. Write your answer in simplest form. 2-1/4

Guests at an amusement park must be at least 54 inches tall to be able to ride the roller coaster. which graph represents the set of heights that satisfy this requirement?

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?